Attachment Schedule S DOC 4 SAT-MOD-20110929-00192

Attachment Schedule S DOC 4

This document pretains to SAT-MOD-20110929-00192 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2011092900192_919260

TABLE 8: Link Budgets for 7 Typical Links - Digital carriers

Digital TV Digital TV
MCPC MCPC Digital TV Digital TV
40 Mbps 32 Mbps MCPC 60 Mbps SCPC
Parameter QPSK ¾ RS QPSK ¾ RS QPSK ¾ RS QPSK ¾ RS
Carrier designation 36M0G7W 27M0G7W 54M0G7W 5M00G1W
Data Rate (dB-Hz) 76.00 75.00 77.80 67.60
Throughput rate (Mbps) 39.81 31.62 60.26 5.75
Symbol rate (Msps) 28.80 22.88 43.59 4.16
Uplinks:
Transmit Power (dBW) 20.00 20.00 8.90 8.90
Transmit Loss (dB) -2.50 -2.50 -2.50 -2.50
Antenna diameter 6.10 6.10 6.10 3.70
Antenna Gain (dBi) 57.31 57.31 57.31 52.97
Ground Station EIRP (dBW) 74.81 74.81 74.80 59.37
Uplink Rain Loss (dB) -2.00 -2.00 -2.00 -2.00
Free Space Loss (dB) -207.00 -207.00 -207.00 -207.00
Satellite G/T (dB/K) 3.00 3.00 3.00 3.00
Boltzmann’s Constant (dBW/K-Hz) -228.60 -228.60 -228.60 -228.60
Eb/N0 (dB) 21.41 22.41 19.60 14.37
Eb/I0 (dB) 18.00 18.00 16.00 16.00
Total Eb/(N0 + I0) (dB) 16.37 16.66 14.43 12.10
Downlinks:
Satellite Carrier EIRP (dBW) 47.00 46.00 47.00 34.30
Interference bandwidth (MHz) 36.00 27.00 54.00 5.00
Satellite EIRP density (dBW/4KHz) 7.46 7.71 5.70 3.33
Downlink Rain Loss (dB) -3.00 -3.00 -3.00 -3.00
Free Space Loss (dB) -205.40 -205.40 -205.40 -205.40
Ground station antenna dia, m 1.20 1.20 1.20 2.40
Ground Station G/T (dB/K) 20.91 20.91 20.91 26.93
Eb/N0 (dB) 12.11 12.11 10.31 13.83
C/IM 18.00 18.00
Eb/Imo (dB) 16.60 16.60
C/I 15.00 15.00 15.00 15.00
Eb/I0 (ASI) (dB) 13.59 13.59 13.59 13.59
Eb/I0 (dB) 13.59 13.59 13.59 13.59
Eb/(N0 + I0) (dB) 9.78 9.78 7.99 9.71
Total Up/Down Eb/(N0+Io)(dB) 8.92 8.97 7.10 7.73
Required Eb/N0 5.40 5.40 5.40 5.40
Margin 3.52 3.57 1.70 2.33

Digital TV
1.544 MCPC
56 Kbps Mbps 50 Mbps
QPSK ¾ RS QPSK ¾ RS 8PSK ⅔ RS
100KG1W 1M60G1W 36M0G7W
47.50 61.89 77.00
0.06 1.54 50.12
0.04 1.12 27.19

-2.00 8.00 20.00
-2.50 -2.50 -2.50
1.80 1.80 6.10
46.71 46.71 57.31
42.21 52.21 74.81
-2.00 -2.00 -2.00
-207.00 -207.00 -207.00
3.00 3.00 3.00
-228.60 -228.60 -228.60
17.31 12.93 20.41
16.00 16.00 18.00
13.60 11.19 16.03

18.50 28.50 47.00
0.10 1.60 36.00
4.52 2.48 7.46
-3.00 -3.00 -3.00
-205.40 -205.40 -205.40
1.20 2.40 2.40
20.91 26.93 26.93
12.11 13.74 17.13
18.00 18.00
16.60 16.60
15.00 15.00 15.00
13.59 13.59 12.34
13.59 13.59 12.34
8.96 9.67 11.10
7.67 7.35 9.89
5.40 5.40 7.20
2.27 1.95 2.69

Document Created: 2011-09-30 08:57:35
Document Modified: 2011-09-30 08:57:35

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